package Socket;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.StandardCharsets;

public class Server2 {
    private ServerSocket serverSocket;

    public Server2() {
        try {
            System.out.println("正在启动服务端......");
            serverSocket = new ServerSocket(8090);
            System.out.println("启动成功！");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void start() {
        try {
            while (true){
                System.out.println("等待客户端连接......");
                Socket socket = serverSocket.accept();
                System.out.println("一位客户端连接成功！");

                ClientHandler handler = new ClientHandler(socket);
                Thread t = new Thread(handler);
                t.start();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }


    public static void main(String[] args) {
        Server2 server2 = new Server2();
        server2.start();
    }

    private class ClientHandler implements Runnable {
        private Socket socket;
        private String host;

        public ClientHandler(Socket socket) {
            this.socket = socket;
            this.host = socket.getInetAddress().getHostAddress();
        }

        public void run() {
            try {
                InputStream in = socket.getInputStream();
                InputStreamReader isr = new InputStreamReader(in, StandardCharsets.UTF_8);
                BufferedReader br = new BufferedReader(isr);
                String line;
                while ((line = br.readLine()) != null) {
                    System.out.println(host + "说：" + line);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
